Home / 129,933.36-194,918.50-39,983.52

Finding the Fourth Proportional to 129,933.36, 194,918.50 and 39,983.52

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Solution

The fourth proportional to 129,933.36, 194,918.50 and 39,983.52 is: 59,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,933.36 : 194,918.50 = 39,983.52 : x
  2. Step 2: Convert to fraction form
    129,933.36/194,918.50 = 39,983.52/x
  3. Step 3: Cross multiply
    129,933.36x = 194,918.50 × 39,983.52
  4. Step 4: Simplify right side
    129,933.36x = 7,793,527,743.12
  5. Step 5: Solve for x
    x = 7,793,527,743.12/129,933.36
  6. Step 6: Final answer
    x = 59,980.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.